859943-93-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 859943-93-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,5,9,9,4 and 3 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 859943-93:
(8*8)+(7*5)+(6*9)+(5*9)+(4*4)+(3*3)+(2*9)+(1*3)=244
244 % 10 = 4
So 859943-93-4 is a valid CAS Registry Number.